Generate a random password for admin purposes

password.coffee

#
#Creator: 2013, Olivier Huin (https://github.com/olih)
#License: Eclipse Public License - v 1.0
#Contributors:
#
# Generates a random password
#This code is a quick hack and should not be used for production
#as it is not optimized and the random numbers could be predicted.

G=10000000000
PUNCT=['{','}','[',']','!','@','£','$','%',
'^','*','(',')',':',';',"'",'"',
'|','~',',','.','/','?']

generateLowerChars = ()->
  num=Math.floor(Math.random()*9*G) + G;
  return num.toString(36)
  

generateLowerString= (size)->
  div=Math.ceil(size/7)
  r = ""
  for i in [0..div]
    r=r+generateLowerChars()
  r=r.substring(0,size)  
  return r;

generateString= (size)->
  t=generateLowerString(size)
  r=""
  for c in t
    if Math.random()>0.5
      r=r+c.toUpperCase()
    else
      r=r+c
  return r

generatePass= (size)->
  t=generateString(size)
  r=""
  for c in t
    num=Math.floor(Math.random()*PUNCT.length);
    if Math.random()<0.25
      r=r+PUNCT[num]
    else
      r=r+c
  return r


#Generate a 15 chars password
console.log generatePass(15)